Home / 8,701.86-13,052.74-3,153.91

Finding the Fourth Proportional to 8,701.86, 13,052.74 and 3,153.91

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Solution

The fourth proportional to 8,701.86, 13,052.74 and 3,153.91 is: 4,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.86 : 13,052.74 = 3,153.91 : x
  2. Step 2: Convert to fraction form
    8,701.86/13,052.74 = 3,153.91/x
  3. Step 3: Cross multiply
    8,701.86x = 13,052.74 × 3,153.91
  4. Step 4: Simplify right side
    8,701.86x = 41,167,167.21
  5. Step 5: Solve for x
    x = 41,167,167.21/8,701.86
  6. Step 6: Final answer
    x = 4,730.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.